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EP 3 123 271 A1

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(43) Date of publication: 01.02.2017 Bulletin 2017/05 (21) Application number: 15716258.7 (22) Date of filing: 25.03.2015

(51) International Patent Classification (IPC):  G06F 1/16(2006.01) A45C 11/00(2006.01) H04M 1/02(2006.01) (86) International application number: PCT/US2015/022353 (87) International publication number: WO 2015/148590 (01.10.2015 Gazette 2015/39)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 28.03.2014 US 201414229196 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)	(72) Inventors: MCCRACKEN, Ivan Andrew Redmond, WA 98052-6399 (US) WANG, Hua Redmond, WA 98052-6399 (US) AAGAARD, Karsten Redmond, WA 98052-6399 (US) WHITT, David Otto, III Redmond, WA 98052-6399 (US) WINTER, Andrew E. Redmond, WA 98052-6399 (US) (74) Representative: Rees, Alexander Ellison et al Olswang LLP 90 High Holborn London WC1V 6XX London WC1V 6XX (GB)